<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <meta http-equiv="X-UA-Compatible" content="ie=edge">
    <title>Document</title>
    <script src="https://cdn.jsdelivr.net/npm/vue/dist/vue.js"></script>
</head>
<body>
    <div id="app">
        <h1 :style="styleObject">这是一个H1</h1>
        <h1 :style="[styleObject, styleObject2]">这是一个H1</h1>
    </div>
    <script>
            var vm = new Vue({
                el:'#app',
                data:{
                    styleObject:{color:'red','font-weight':200},
                    styleObject2:{'font-style':'italic'}
                },
                methods:{}
            })
        </script>
</body>
</html>